borderline water level的用法和樣例：
例句
- Energy experts predict that within days the water will reach the critical level, and the whole country could shut down.
能源專家預測，過不了幾天蓄水量將降至臨界水位，屆時整個國家可能就要癱瘓了。 - In addition, the significance of the disaster causal critical water table to preventing land subsidence disaster and exploiting groundwater resource reasonably is also analyzed.
分析了地面沉降成災臨界水位對預防地面沉降災害發生及合理開採地下水資源的重要意義。
